Best mermaid anime
68 anime about mermaid, ranked by community score. Tags come from AniList voters; the percentage on each title page says how strongly the tag applies.
Highest rated
3.4Easygoing Territory Defense by the Optimistic Lord
TV · 2026 · 12 ep
Easygoing Territory Defense by the Optimistic LordOkiraku Ryoushu no Tanoshii Ryouchi Bouei: Seisankei Majutsu de Na mo Naki Mura wo Saikyou no Jousai Toshi niTV · 2026 · 12 ep3.4Van, fourth son of a marquis, is just a toddler when he realizes he’s been reincarnated. Thanks to his literal lifetime of knowledge, he’s raised as a child prodigy—until his production magic manifests, and it’s the last thing his snooty…
3.4Monster Musume: Everyday Life With Monster Girls OVA
OVA · 2016 · 2 ep
Monster Musume: Everyday Life With Monster Girls OVAMonster Musume no Iru Nichijou OVAOVA · 2016 · 2 ep3.4Bundled with the 11th and 12th volumes of the manga. The OVA adapts the manga's chapter 17 from the fourth volume, where Miia, Cerea, Mero, and Kurusu go to the gym's pool.
3.4Petshop of Horrors
TV · 1999 · 4 ep
Petshop of HorrorsTV · 1999 · 4 ep3.4Count D, a quite interesting pet shop owner from an area called Chinatown, sells rare and hard to come by pets to people longing for something special, but with each sale comes a contract. If the rules of the contract are followed…
3.4Ghost Sweeper Mikami
TV · 1993 · 45 ep
Ghost Sweeper MikamiGS MikamiTV · 1993 · 45 ep3.4You say you got a ghost in your prefecture? In Japan that means you need to call Ghost Sweeper Mikami , the paranormal detective agency that's a little abnormal. Okay, make that a LOT abnormal, but they DO specialize in disposing of things…
3.4This Boy Caught a Merman
OVA · 2012 · 1 ep
This Boy Caught a MermanKono Danshi, Ningyo Hiroimashita.OVA · 2012 · 1 ep3.4*The Second OVA of Kono Dan series. They say look before you leap and make sure you can swim before you go in the deep water, but when a picture of his late grandfather falls into the ocean, Shima jumps in after it without thinking. Nearly…
3.4Di Gi Charat Nyo
TV · 2003 · 104 ep
Di Gi Charat NyoTV · 2003 · 104 ep3.4Di Gi Charat (a.k.a. Dejiko) - along with Petit Charat (a.k.a. Puchiko) and Gema - travels to Earth as part of her training to become a full-fledged princess. They crash on a small town in Japan, where they meet the Omocha brothers (who…
3.3A Journey Through Another World: Raising Kids While Adventuring
TV · 2024 · 12 ep
A Journey Through Another World: Raising Kids While AdventuringIsekai Yururi Kikou: Kosodate shinagara Boukensha shimasuTV · 2024 · 12 ep3.3After a god accidentally slays him, Takumi’s reborn with new skills in a monster-filled forest where he stumbles upon twins. They’re sweet, adorable, and super strong! Won over instantly, he names them Alan and Elena, becomes their…
3.3Orenchi no Furo Jijo
TV · 2014 · 13 ep
Orenchi no Furo JijoOrenchi no Furo JijouTV · 2014 · 13 ep3.3Tatsumi is a high school boy who lives by himself. One day, a devastatingly handsome merman named Wakasa moves into the bathtub in Tatsumi's home. Wakasa is a bit self-centered but cute, while Tatsumi is cool but a busybody. (Source: Anime…
3.3Muromi-san
TV · 2013 · 13 ep
Muromi-sanNamiuchigiwa no Muromi-sanTV · 2013 · 13 ep3.3One day, Mukoujima Takurou, a boy in high school who loves fishing, catches a pig tailed mermaid called Muromi-san who speaks in the Hakata dialect. She comes to visit Takurou often, along with her fellow mermaids Sumida-san, Fuji-san…
Mature
3.3Mermaid Forest (TV)
TV · 2003 · 13 ep
Mermaid Forest (TV)Takahashi Rumiko Gekijou Ningyo no MoriTV · 2003 · 13 ep3.3According to an ancient legend, mermaid's flesh can grant immortality if eaten. 500 years ago, Yuta unknowingly ate a piece of mermaid's flesh. For centuries, he travels across Japan, hoping to find a mermaid, thinking she may be able to…
3.3Monster Musume: Everyday Life With Monster Girls
TV · 2015 · 12 ep
Monster Musume: Everyday Life With Monster GirlsMonster Musume no Iru NichijouTV · 2015 · 12 ep3.3Monsters: they're real, and they want to date us! Three years ago, the world learned that harpies, centaurs, catgirls, and all manners of fabulous creatures are not merely fiction; they are flesh and blood - not to mention scale, feather…
3.2A Misanthrope Teaches a Class for Demi-Humans
TV · 2026 · 13 ep
A Misanthrope Teaches a Class for Demi-HumansJingai Kyoushitsu no Ningengirai KyoushiTV · 2026 · 13 ep3.2After a traumatic incident ends his teaching career, Rei Hitoma is certain he hates humans. Yet when he sees a job for “a teacher who truly cares for their students,” he’s compelled to apply. Before he knows it, he’s hired—only to find out…
3.2Namiuchigiwa no Muromi-san: Pangea Chou Tairiku no Muromi-san
OVA · 2013 · 1 ep
Namiuchigiwa no Muromi-san: Pangea Chou Tairiku no Muromi-sanOVA · 2013 · 1 ep3.2Bundled with the ninth limited-edition volume of the manga.
3.1Rosario + Vampire
TV · 2008 · 13 ep
Rosario + VampireRosario to VampireTV · 2008 · 13 ep3.1By a bizzare coincidence, Tsukune Aono has accidentally gotten himself admitted to a youkai academy, a school attended by monsters. Just when he thinks he'll run away from there, he meets the beautiful girl Moka and his mood turns ultra…
3.1TenPuru: No Way, Why Is It So Big… / You Mustn’t Touch That
Special · 2023 · 2 ep
TenPuru: No Way, Why Is It So Big… / You Mustn’t Touch ThatTemple SpecialsSpecial · 2023 · 2 ep3.1Unaired episodes included on the anime's Blu-ray volumes. Episode 1: "No Way, Why Is It So Big..." (Uso, Nande Konnani Okkiku…/うそ、何でこんなにおっきく…) Episode 2: "You Mustn't Touch That..." (Sonna Tokoro o Sawararete wa…/そんなところを触られては…)
Mature
3.1Mermaid's Scar
OVA · 1993 · 1 ep
Mermaid's ScarNingyo no KizuOVA · 1993 · 1 ep3.1Legend has it that when you eat the flesh of a mermaid, you would live forever. Yuta and Mana are living proof of this... Together, they journey to various places trying to find meaning for their existence, or perhaps even a "cure" for…
3.1Monster Girl Doctor
TV · 2020 · 12 ep
Monster Girl DoctorMonster Musume no OishasanTV · 2020 · 12 ep3.1Here in the town of Lindworm, where humans and monsters coexist, a new young doctor, Glenn, begins another day of perilous medical exams! Whether he's examining deep inside a mermaid's gills, stitching up a flesh golem's thigh, assisting a…
3.1There was a Cute Girl in the Hero’s Party, so I Tried Confessing to Her
TV · 2026 · 13 ep
There was a Cute Girl in the Hero’s Party, so I Tried Confessing to HerYuusha Party ni Kawaii Ko ga Ita node, Kokuhaku shitemita.TV · 2026 · 13 ep3.1Reincarnated as a mid-tier demon, Youki had one job: Crush the hero’s party. Then he saw the party’s priestess, Cecilia, and fell for her hard. Now this lovestruck demon vows to confess his feelings, even if it means betraying the Demon…
3.1Monster Musume Everyday Life With Monster Girls: Hobo Mainichi Oo! Namappoi Douga
ONA · 2015 · 60 ep
Monster Musume Everyday Life With Monster Girls: Hobo Mainichi Oo! Namappoi DougaMonster Musume no Iru Nichijou: Hobo Mainichi ◯◯! Namappoi DougaONA · 2015 · 60 ep3.1Anime shorts that offer a secret candid look at the daily lives of Monster Musume. The shorts will update almost every weekday, but each short will be available for 24 hours only. The weekends will have a digest version summarizing the…
3.1Umi Monogatari
TV · 2009 · 12 ep
Umi MonogatariUmi Monogatari: Anata ga Ite Kureta KotoTV · 2009 · 12 ep3.1Marin and her sister Urin live in the sea. One day they find a ring fallen into the sea. They get out of the sea and meet a girl Kanon, the owner of the ring. Kanon tells them she doesn't want the ring anymore because it was given by her…
3.1Mermaid Forest
OVA · 1991 · 1 ep
Mermaid ForestNingyo no MoriOVA · 1991 · 1 ep3.1This anime is based on the Mermaid Forest story line found in the graphic novel by the same name. Mana and Yuta are drawn into the world of the Kannagi Family, owners of Mermaid Forest. Only two of the Kannagi clan remain - an old women…
3.1Hans Christian Andersen's The Little Mermaid
Movie · 1975 · 1 ep
Hans Christian Andersen's The Little MermaidAndersen Douwa: NingyohimeMovie · 1975 · 1 ep3.1Marina, the most beautiful mermaid in the royal Merman family, is curious about the human world. One day, she sees a handsome prince on a boat. Suddenly, a storm comes up, throwing him into the sea. Marina saves her handsome prince and…
3.0A Centaur's Life
TV · 2017 · 12 ep
A Centaur's LifeCentaur no NayamiTV · 2017 · 12 ep3.0Himeno is a sweet, shy girl, who struggles with the high school life. The difference is she's a centaur; but she's not alone. In fact, all of her classmates are supernatural creatures, sporting horns, wings, tails, halos, or some other…
3.0Yuru Yuri: Doushite, Tomaranai, Tokimeki, Dokidoki, Paradox, Eternal
Special · 2011 · 1 ep
Yuru Yuri: Doushite, Tomaranai, Tokimeki, Dokidoki, Paradox, EternalSpecial · 2011 · 1 ep3.0Yuru Yuri DVD/BD special.
3.0The Case Book of Arne
TV · 2026 · 12 ep
The Case Book of ArneArne no JikenboTV · 2026 · 12 ep3.0Arne Neuntöte is a vampire detective who manipulates supernatural powers. Lynn Reinweiß is a nobleman’s daughter who loves vampires. Their worlds should never have crossed, but they join hands to solve a bloody mystery. In the darkest of…
3.0Journal of the Mysterious Creatures
ONA · 2019 · 13 ep
Journal of the Mysterious CreaturesYichang Shengwu JianwenluONA · 2019 · 13 ep3.0The work centers on Ren Hao, a 23-year-old man who has no job or girlfriend. In order to make ends meet he rents out one of the rooms in his house. While he’s showing Lili, his first tenant, around the house, she’s suddenly attacked by a…
3.0Doomsday with My Dog
ONA · 2022 · 72 ep
Doomsday with My DogSekai no Owari ni Shiba Inu toONA · 2022 · 72 ep3.0The sole surviving human and her canine companion, Haru, wander a desolate wasteland after the destruction of civilization, but this is no dark doomsday tale. Haru, a wise-beyond-his-years talking shiba inu, makes sure his master stays one…
2.8Queen's Blade: Grimoire
OVA · 2016 · 2 ep
Queen's Blade: GrimoireOVA · 2016 · 2 ep2.8A scan of the latest issue of Hobby Japan magazine, released on April 25, announced that Queen's Blade Grimoire will be adapted into an OVA. Comprised of two disc volumes, it will be bundled with the release of the next visual combat book…
2.6Plus-Sized Elf
TV · 2024 · 12 ep
Plus-Sized ElfElf-san wa Yaserarenai.TV · 2024 · 12 ep2.6Naoe-kun, a massage therapist, is about to head home for the day when he’s saddled with a rather strange patient. This lovely lady has emerald eyes, pointy ears, and grew up in the forest–everything about her screams “elf,” except for one…
2.5100 Sleeping Princes & the Kingdom of Dreams
TV · 2018 · 12 ep
100 Sleeping Princes & the Kingdom of DreamsYume Oukoku to Nemureru 100-nin no OujisamaTV · 2018 · 12 ep2.5The heroine is an ordinary, everyday woman until the day she finds herself in another world and discovers that she’s actually a long-lost princess. Now, she must enlist the aid of the world of dreams’ princes and defend against the…
2.5Bermuda Triangle ~ Colorful Pastorale
TV · 2019 · 12 ep
Bermuda Triangle ~ Colorful PastoraleBermuda Triangle: Colorful PastraleTV · 2019 · 12 ep2.5The glittering spotlights. The sparkling, fluffy, cute outfits. The charming voices while dancing with bright smiles. Under the dazzling lights on the big city stage, these would be the mermaid idols who swim and dance freely underwater…
1.9The Cosmopolitan Prayers
TV · 2004 · 8 ep
The Cosmopolitan PrayersChou Henshin CosprayersTV · 2004 · 8 ep1.9Koto unknowingly seals away the Sun Goddess Amaterasu, and now she is in a different world and can't return. Meeting priestesses who combat the evil in this strange place she learns that Black Towers throughout the land keep Amatersu…